WO2012040251A3 - Methods and apparatus to provide packet switched service continuity during circuit switched fallback operation - Google Patents

Methods and apparatus to provide packet switched service continuity during circuit switched fallback operation Download PDF

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Publication number
WO2012040251A3
WO2012040251A3 PCT/US2011/052425 US2011052425W WO2012040251A3 WO 2012040251 A3 WO2012040251 A3 WO 2012040251A3 US 2011052425 W US2011052425 W US 2011052425W WO 2012040251 A3 WO2012040251 A3 WO 2012040251A3
Authority
WO
WIPO (PCT)
Prior art keywords
methods
packet switched
service continuity
during circuit
fallback operation
Prior art date
Application number
PCT/US2011/052425
Other languages
French (fr)
Other versions
WO2012040251A2 (en
Inventor
Xinhua Ling
Xiaoming Zhao
Stefano Faccin
Original Assignee
Research In Motion Limited
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Research In Motion Limited filed Critical Research In Motion Limited
Priority to CA2811727A priority Critical patent/CA2811727C/en
Priority to CN201180055729.3A priority patent/CN103222308B/en
Priority to EP11764051.6A priority patent/EP2620019B1/en
Priority to KR1020137009969A priority patent/KR101598261B1/en
Publication of WO2012040251A2 publication Critical patent/WO2012040251A2/en
Publication of WO2012040251A3 publication Critical patent/WO2012040251A3/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
    • H04W36/0022—Control or signalling for completing the hand-off for data sessions of end-to-end connection for transferring data sessions between adjacent core network technologies
    • H04W36/00224—Control or signalling for completing the hand-off for data sessions of end-to-end connection for transferring data sessions between adjacent core network technologies between packet switched [PS] and circuit switched [CS] network technologies, e.g. circuit switched fallback [CSFB]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/14—Reselecting a network or an air interface
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
    • H04W36/0022—Control or signalling for completing the hand-off for data sessions of end-to-end connection for transferring data sessions between adjacent core network technologies

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Methods and apparatus to provide packet switched service continuity during circuit switched fallback operation are described. One example method includes determining that a target system does not support packet switched handover; determining if non- 3GPP access for packet switched service is available; and triggering handover to the non-3GPP access.
PCT/US2011/052425 2010-09-20 2011-09-20 Methods and apparatus to provide packet switched service continuity during circuit switched fallback operation WO2012040251A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CA2811727A CA2811727C (en) 2010-09-20 2011-09-20 Methods and apparatus to provide packet switched service continuity during circuit switched fallback operation
CN201180055729.3A CN103222308B (en) 2010-09-20 2011-09-20 The successional method and apparatus of packet-switched services are provided during circuit switched fallback operates
EP11764051.6A EP2620019B1 (en) 2010-09-20 2011-09-20 Methods and apparatus to provide packet switched service continuity during circuit switched fallback operation
KR1020137009969A KR101598261B1 (en) 2010-09-20 2011-09-20 Methods and apparatus to provide packet switched service continuity during circuit switched fallback operation

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US38465510P 2010-09-20 2010-09-20
US61/384,655 2010-09-20

Publications (2)

Publication Number Publication Date
WO2012040251A2 WO2012040251A2 (en) 2012-03-29
WO2012040251A3 true WO2012040251A3 (en) 2012-07-05

Family

ID=44721099

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2011/052425 WO2012040251A2 (en) 2010-09-20 2011-09-20 Methods and apparatus to provide packet switched service continuity during circuit switched fallback operation

Country Status (6)

Country Link
US (1) US9723528B2 (en)
EP (1) EP2620019B1 (en)
KR (1) KR101598261B1 (en)
CN (1) CN103222308B (en)
CA (1) CA2811727C (en)
WO (1) WO2012040251A2 (en)

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Also Published As

Publication number Publication date
CA2811727A1 (en) 2012-03-29
CA2811727C (en) 2019-02-19
CN103222308A (en) 2013-07-24
KR101598261B1 (en) 2016-02-26
KR20130094826A (en) 2013-08-26
EP2620019A2 (en) 2013-07-31
WO2012040251A2 (en) 2012-03-29
US9723528B2 (en) 2017-08-01
CN103222308B (en) 2018-02-02
US20120069817A1 (en) 2012-03-22
EP2620019B1 (en) 2018-01-17

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